Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
101370029Factored
FactorDigitsBitsDate
2038047528835525742250232477.42020-11-30 07:56:57
P-1 factors
DateFactorB1B2
2020-11-3020380475288355257422502350000012500000
History
DateUserTypeResult
2020-11-30ky0urakuF-PM1
Factor: 203804752883552574225023 / (P-1, B1=500000, B2=12500000)
2020-10-03ktonyNF
no factor from 2^75 to 2^76
2020-10-03el groccoNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-22el groccoNF
no factor from 2^72 to 2^73
2014-12-12RichD0NF
no factor from 2^71 to 2^72
2014-04-29SMoffatNF
no factor from 2^70 to 2^71
2014-03-29SMoffatNF
no factor from 2^69 to 2^70
2014-03-25SMoffatNF
no factor from 2^68 to 2^69
2013-10-28g0bNF
no factor from 2^67 to 2^68
2013-10-25g0bNF
no factor from 2^66 to 2^67
2012-04-14kylesmacNF
no factor from 2^65 to 2^66
2010-08-13Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-071997rj7NF
no factor from 2^63 to 2^64